class Acbaker::Processors::Cover
Public Instance Methods
defaults()
click to toggle source
# File lib/acbaker/processors/cover.rb, line 4 def defaults { "background-color" => "#FFFFFF", "gravity" => "Center" } end
run(image, image_spec, width = nil, height = nil)
click to toggle source
# File lib/acbaker/processors/cover.rb, line 8 def run(image, image_spec, width = nil, height = nil) # resize image image.change_geometry("#{width}x#{height}^") do |px, py, i| image.resize!(px, py) end # crop image canvas = Magick::Image.new(width, height) if @options['background-color'] == :transparent canvas = canvas.matte_floodfill(1, 1) else canvas = canvas.color_floodfill(1, 1, Magick::Pixel.from_color(@options['background-color'])) end # place image gravity_string = "Magick::#{@options['gravity']}Gravity" gravity = Object.const_get(gravity_string) canvas.composite(image, gravity, Magick::OverCompositeOp) end